"Reliance Jio is engaged in building up team for telecom services which is almost done. Telecom services are likely to be launched in third quarter of 2014 i.e. July-September period starting from Delhi and Mumbai," a source privy of the development said.

RIL has already announced in July that it will add 7,000 employees taking total headcount at company to 10,000 in 2014-15. No immediate comments were received from the company. RIL may share details of services launch in June.

RJio started first trial of its 4G services in Delhi, Mumbai and Jamnagar. The Department of Telecom has allocated 22 million numbers for launch of services. The source added that company is evaluating devices of Korean firm Samsung and Chinese company ZTE for its customers.

After launching service in Delhi and Mumbai, the company has identified Southern part of India as high revenue generating market followed by West, North and East.

RJio during its trials has showcased broadband speed of 49 megabit per second--which is over 10-12 times more than 3G mobile internet speed that consumer are getting these days.

At a speed of 49 mbps a user can download a full movie, which is generally of 600 megabyte size, in about 2 minutes. The average top speed of 3G network is pegged at 4 mbps. The company has prepared its network architecture plan under which it will provide booster antenna kind of device.

This antenna will receive signal from mobile tower and a cable from this antenna connect a set-top-box or a modem kind of device inside home that will create wifi network for telecom service inside home. The STB has been developed on Google's Android platform.

Besides customer premise equipments, RJIL has plans to connect to those homes which won't get strong signals with optical fibre network. RJio also has plans to launch TV services through its 4G network.

Gearing up to foray into TV services market, Reliance Jio Infocomm (RJIL) has loaded 150 channels that it will provide across all devices ranging from mobile phone to TV sets using its high speed 4G network.